Alfredo Salazar is engaged to Esperanza but falls in love with Julia Salas. After much struggle with his feelings, he chooses to honor his engagement and marries Esperanza. Years later, when searching for a woman named Brigida Samuy, he discovers that Julia remains unmarried, realizing that his love for her was fleeting like a dead star, no longer existing. The story explores the theme of forbidden love and facing difficult choices in life.